Marine Heat Exchanger Tube Bundle Core - Used

Used marine engine heat exchanger tube bundle / core insert, flanged round bundle with two-pass tube sheet and baffled tube nest — style consistent with Caterpillar 3208 (and similar 3116/3126) marine heat exchangers. Application: raw-water cooled marine diesel heat exchanger. Condition: Used take-off, sold as-is; shows patina, surface corrosion, and dirt; not pressure-tested. Approx. 6 in flange OD x ~16 in overall length, 8-bolt flange. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.